Home / 521,926,997.64-783,195,779.82-194,628,625.80

Finding the Fourth Proportional to 521,926,997.64, 783,195,779.82 and 194,628,625.80

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Solution

The fourth proportional to 521,926,997.64, 783,195,779.82 and 194,628,625.80 is: 292,056,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,926,997.64 : 783,195,779.82 = 194,628,625.80 : x
  2. Step 2: Convert to fraction form
    521,926,997.64/783,195,779.82 = 194,628,625.80/x
  3. Step 3: Cross multiply
    521,926,997.64x = 783,195,779.82 × 194,628,625.80
  4. Step 4: Simplify right side
    521,926,997.64x = 152,432,318,358,725,984
  5. Step 5: Solve for x
    x = 152,432,318,358,725,984/521,926,997.64
  6. Step 6: Final answer
    x = 292,056,780.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.